SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 125
   NWS STORM PREDICTION CENTER NORMAN OK
   230 PM CDT TUE APR 5 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          EXTREME WEST CENTRAL AND SOUTHWEST ARKANSAS
          EAST CENTRAL AND SOUTHEAST OKLAHOMA
          NORTHEAST TEXAS
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 900
   PM CDT.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
   TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE MILES
   EAST AND WEST OF A LINE FROM 45 MILES NORTHEAST OF MCALESTER
   OKLAHOMA TO 50 MILES SOUTH SOUTHWEST OF TYLER TEXAS.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU5).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
   PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
   WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
   WARNINGS.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 123...WW 124...
   
   DISCUSSION...STRONG UVV AHEAD OF UPPER LOW WILL SPREAD EWD ACROSS
   ERN OK/SERN KS BOUNDARY LAYER MOIST AXIS OVER THE NEXT FEW HOURS. 
   TSTMS WILL CONTINUE TO DEVELOP ALONG THE DRYLINE AND MOVE ENEWD
   ACROSS ERN/SERN OK AND THE ARKLATEX LATE THIS AFTERNOON/EVENING.
   VERTICAL SHEAR OF 45-50 KTS WILL BE FAVORABLE FOR SUPERCELLS.  CELLS
   COULD STAY DISCRETE GIVEN ORIENTATION OF THE 2-8KM SHEAR VECTORS
   MORE NORMAL TO THE DRYLINE BEFORE EVOLVING INTO SHORT LINE SEGMENTS
   LATER. VERY LARGE HAIL AND DAMAGING WINDS WILL BE THREATS ALONG
   WITH A FEW TORNADOES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
   MEAN STORM MOTION VECTOR 24035.
   
   
   ...RACY/EVANS